Alert archive / Arizona / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 46, NWS Phoenix, AZ

September 4, 2009La Paz County, Maricopa County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Sep 4, 2009, 6:41 PM MST for La Paz County, Maricopa County, Arizona. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 4, 2009, 6:41 PM MST (01:41 UTC)
Expired
Sep 4, 2009, 7:15 PM MST
In force
34 min
Issued by
NWS Phoenix, AZ
Area
Storm-based polygon

Counties La Paz County, AZ, Maricopa County, AZ

The radar

The Phoenix radar (KIWA), 148 km from the middle of the area, began a volume at 01:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Phoenix, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 4, 2:45 PM MST, 3 hours 56 minutes earlier.

Area forecast discussion, Sep 4, 2:45 PM MST, 3 hours 56 minutes before
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Hazardous weather outlook, Sep 4, 5:40 AM MST, 13 hours 1 minute before
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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In the hours before

Special weather statement, Sep 4, 3:16 PM MST, 3 hours 25 minutes before
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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Special weather statement, Sep 4, 6:08 PM MST, 33 minutes before
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<head>
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  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 4, 5:22 PM MSTAreal Flood AdvisoryPSRGila113 min
Sep 4, 6:08 PM MSTSpecial Weather StatementPSRLa Paz37 min
Sep 4, 6:31 PM MSTAreal Flood AdvisoryPSRLa Paz, Maricopa, Yuma104 min
Sep 4, 8:21 PM MSTAreal Flood AdvisoryPSRLa Paz70 min
Sep 5, 7:04 AM MSTAreal Flood AdvisoryPSRMaricopa, Pinal116 min
Sep 5, 9:13 AM MSTAreal Flood AdvisoryPSRMaricopa, Pinal2 hr
Sep 5, 10:33 AM MSTFlash Flood WatchPSR8 hr
Sep 5, 11:22 AM MSTAreal Flood AdvisoryPSRMaricopa, Pinal113 min
Sep 5, 1:11 PM MSTSevere Thunderstorm WarningPSRYuma28 min
Sep 5, 1:18 PM MSTAreal Flood AdvisoryPSRLa Paz, Yuma102 min
Sep 5, 1:29 PM MSTFlash Flood WarningPSRLa Paz61 min
Sep 5, 1:43 PM MSTSevere Thunderstorm WarningPSRYuma29 min
Sep 5, 2:35 PM MSTSpecial Weather StatementPSRYuma55 min
Sep 5, 2:37 PM MSTFlash Flood WarningPSRLa Paz, Yuma53 min
Sep 5, 3:06 PM MSTAreal Flood AdvisoryPSRLa Paz, Yuma114 min
Sep 5, 3:18 PM MSTSpecial Weather StatementPSR42 min
Sep 5, 3:57 PM MSTSevere Thunderstorm WarningPSRYuma33 min
Sep 5, 4:13 PM MSTAreal Flood AdvisoryPSRLa Paz, Yuma52 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2009Every severe thunderstorm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.